METHOD AND SYSTEM FOR MINING RARE EARTH ORE BY DIRECT CURRENT
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United States of America
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Mar 20, 2025
app pub date -
Jan 11, 2024
filing date -
Jan 11, 2024
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Abstract
The present disclosure provides a method and system for mining rare earth ore using a direct current. The system includes: liquid injection holes arranged in a mining area; electrodes arranged in the liquid injection holes; a leaching agent added into the liquid injection holes; and an electrification control system dividing the mining area into M equal parts and electrifying the electrodes using a cyclical alternate electrification method from 1 to M. In an Nu electrification cycle, all electrodes of an (M×n+N)th row are connected to a positive electrode of a power supply, and all electrodes of an (M×n+N+1)th row are connected to a negative electrode of the power supply. The cyclical alternate electrification method reduces at least (M−1)/M of power consumption, and the rare earth mining efficiency is improved.
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